Home / 72,077.58-99,414.54-48,162.33

Finding the Fourth Proportional to 72,077.58, 99,414.54 and 48,162.33

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Solution

The fourth proportional to 72,077.58, 99,414.54 and 48,162.33 is: 66,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077.58 : 99,414.54 = 48,162.33 : x
  2. Step 2: Convert to fraction form
    72,077.58/99,414.54 = 48,162.33/x
  3. Step 3: Cross multiply
    72,077.58x = 99,414.54 × 48,162.33
  4. Step 4: Simplify right side
    72,077.58x = 4,788,035,882.28
  5. Step 5: Solve for x
    x = 4,788,035,882.28/72,077.58
  6. Step 6: Final answer
    x = 66,428.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.